Detroit police officers and firefighters responded to a call about a suspicious device found Tuesday night on Gardendale Street just south of 8 Mile Road.

The device, which Local 4 has learned is a grenade, was found in the residential neighborhood. Police and firefighters have been investigating.

Neighbors in the area say Detroit police have been there since early Tuesday evening but firefighters and the bomb squad arrived much later.

Stay with and Local 4 for more information as it becomes available.